Home / 4,258.49-6,387.73-1,180.49

Finding the Fourth Proportional to 4,258.49, 6,387.73 and 1,180.49

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Solution

The fourth proportional to 4,258.49, 6,387.73 and 1,180.49 is: 1,770.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,258.49 : 6,387.73 = 1,180.49 : x
  2. Step 2: Convert to fraction form
    4,258.49/6,387.73 = 1,180.49/x
  3. Step 3: Cross multiply
    4,258.49x = 6,387.73 × 1,180.49
  4. Step 4: Simplify right side
    4,258.49x = 7,540,651.39
  5. Step 5: Solve for x
    x = 7,540,651.39/4,258.49
  6. Step 6: Final answer
    x = 1,770.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.